/**
 * 
 */
package com.example.bankingsystemandroid.utils;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * @author angelkid
 *
 */
public class EncryptionUtil {

	public static String generateMD5HashFromString(String str) throws NoSuchAlgorithmException{
        MessageDigest md = MessageDigest.getInstance(ConstantManager.MD5);
        md.update(str.getBytes());
 
        byte byteData[] = md.digest();
 
//        //convert the byte to hex format method 1
//        StringBuffer sb = new StringBuffer();
//        for (int i = 0; i < byteData.length; i++) {
//         sb.append(Integer.toString((byteData[i] & 0xff) + 0x100, 16).substring(1));
//        }
// 
//        System.out.println("Digest(in hex format):: " + sb.toString());
 
        //convert the byte to hex format method 2
        StringBuffer hexString = new StringBuffer();
    	for (int i=0;i<byteData.length;i++) {
    		String hex=Integer.toHexString(0xff & byteData[i]);
   	     	if(hex.length()==1) hexString.append('0');
   	     	hexString.append(hex);
    	}
    	System.out.println("Digest(in hex format):: " + hexString.toString());
    	return hexString.toString();
	}
}
